Last night I was lucky enough to have been asked to do a talk at the Victorian Skeptics’ monthly Skeptics Cafe, where I spoke to the members and guests of Victorian Skeptics, on the topic above. Below is an audio player with the talk, and a download link with an mp3 file. Below that I have included my original script, and the slides from my presentation. Thanks to Victorian Skeptics for this chance to talk among you, and I...